无法提现并被要求支付费用

我已存入$10,728到SICH CAPITAL LTD。我要求客服从我的帐户中提出金。客服要我支付 MT5 交易利润的 8% 的手续费，即 13,073.03 美元，然后我才被允许从我的账户中提现。我问过这个金额可以从我的账户可用余额中扣除吗？答案是否定的。这对我来说听起来是个骗局。请帮助我调查此事，希望我拿回我的钱。

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Unable to Withdraw and Got Demands to Pay Fees

I've made deposited $10,728 to the SICH Capital LTD. I asked the customer service to withdraw the money from my account. The Customer Service wanted me to pay for handling fees at 8% of my profits trades on MT5 which equal to $13,073.03 USD before I could allow to withdraw money from my account. I've asked is this amounts able to be deductible to my account available balance? The answer was no. It sounds suspicious & scam to me. Please help investigate into this matter and hope i could get back.